package thread;

public class Demo13 {
    private static int count = 0;

    public static void main(String[] args) throws InterruptedException {
        Object locker = new Object();
        Thread t1 = new Thread(()->{
            for (int i = 0 ;i < 50000;i++) {
                synchronized (locker){
                    count++;

                }

            }
        });
        Thread t2 = new Thread(()->{
            for (int i = 0;i < 50000;i++) {

                synchronized (locker){
                    count++;
                }
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("预期结果"+count);
    }


}
